Appliance base



FIG. 1 is a perspective view of the appliance base;

FIG. 2 is a front elevational view of the appliance base;

FIG. 3 is a rear elevational view of the appliance base;

FIG. 4 is a left side elevational view of the appliance base, the opposite side of which is a mirror image;

FIG. 5 is a top plan view of the appliance base; and,

FIG. 6 is a bottom plan view of the appliance base.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for an appliance base, as shown and described. 